Re: Mirror mode difference from N-Way Multi-Master

[Покотиленко Костик <casper@meteor.dp.ua>]

Ð ÐÑÐ, 08/02/2013 Ð 11:07 -0800, Quanah Gibson-Mount ÐÐÑÐÑ:
> --On Friday, February 08, 2013 8:12 PM +0200 ÐÐÐÐÑÐÐÐÐÐÐ 
> ÐÐÑÑÐÐ <casper@meteor.dp.ua> wrote:
> 
> > Ð ÐÑÐ, 08/02/2013 Ð 09:47 -0500, John Madden ÐÐÑÐÑ:
> >> > As far as I can see there is no difference in configuration. The only
> >> > distinction I can see is the "use case", as N-Way supposed to accept
> >> > writes on all Masters, but Mirror only on one at a time.
> >>
> >> There are configuration differences (see the Admin Guide for the needed
> >> snippets; N-Way requires MirrorMode and then some) but yes, MirrorMode
> >> requires writes to go to only one node at a time.
> >
> > I've re-red those sections of docs two more times, still don't see the
> > difference
> 
> There is no configuration difference at this point.  I think there was one 
> initially ages ago.  The only difference between MMR and mirror-mode MMR is 
> that in the latter case, writes only go to a single master instead of any 
> master in the cluster.
> 
> In all cases, I strongly advise using delta-syncrepl based MMR with the 
> most current OpenLDAP release (2.4.33).

Quanah, thanks alot, this clears up things.

Maybe somebody comment on number 4 from my initial post:

> 4. In Mirror mode, can I use UpdateRef on one mirror to direct writes
> to another so proxy/balancer will become not required?